\documentclass{article}
\begin{document}
\section{Panorama}
\begin{itemize}
    \item Latches and Flip-Flops
    \begin{itemize}
        \item SR Latches
        \item D Latches
        \item D Flip-Flops
    \end{itemize}
    \item 
\end{itemize}

\section{questions}
\begin{itemize}
    \item What is bistable element?
    \item When is the D Latch transparent? 
    \item What is the relationship between N-bit register and D Flip-Flops?
\end{itemize}



\section{Answers}
\begin{itemize}
    \item an element with two states
    \item The CLK = 1
    \item A N-bit register is composed of N Flip-Flops that share a common CLK signal.
    \item 
\end{itemize}
\end{document}